Alert archive / Oklahoma / Flash Flood Warnings in 2015
Flash Flood Warning 39, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 19, 2015, 11:50 PM CDT for Crawford County, Sebastian County, Arkansas; Latimer County, LeFlore County, Sequoyah County, Oklahoma. It was in force for 5 hr. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 19, 2015, 11:50 PM CDT (04:50 UTC)
- Expired
- May 20, 2015, 5:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, AR, Sebastian County, AR, Latimer County, OK, LeFlore County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 21 km from the middle of the area, began a volume at 04:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 12:52 AM CDT | FLASH FLOOD | Sallisaw, OK | REPORTED IN TOWN. |
| May 20, 1:43 AM CDT | FLASH FLOOD | Talihina, OK | LAW ENFORCEMENT CLOSING ROADWAYS DUE TO HIGH WATER IN THE TALIHINA AREA. |
| May 20, 2:53 AM CDT | FLASH FLOOD | Talihina, OK | NUMEROUS BUILDINGS IN TOWN HAVE FLOOD WATERS IN THEM...INCLUDING THE HOUSING AUTHORITY WITH 6 INCHES OF WATER...THE CHOCTAW NATION HOSPITAL...AND A NURSING HOME. RELAYED BY COUNTY EMERGENCY MANAGEMENT. |
| May 20, 3:00 AM CDT | FLASH FLOOD | Lavaca, AR | APARTMENT COMPLEX EVACUATED AT 3 AM DUE TO OVERFLOWING CREEK. WATER 2-3 INCHES DEEP IN SOME APARTMENTS. WATER RECEDED BY 5 AM. |
| May 20, 4:00 AM CDT | FLASH FLOOD | Fort Smith, AR | FORT SMITH PAVILION...RETAINING WALL COLLAPSED RESULTING IN THE FLOODING OF THREE BUSINESSES. |
| May 20, 4:18 AM CDT | FLASH FLOOD | 1 E Fort Smith, AR | HIGHWAY 255 SECTION2 AT MILE 2.2 CLOSED DUE TO HIGH WATER |
| May 20, 5:00 AM CDT | FLASH FLOOD | Talihina, OK | SCHOOLS CLOSED DUE TO HIGH WATER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.8 hours before the alert went out and 207 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1208 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
832
WGUS54 KTSA 200450
FFWTSA
ARC033-131-OKC077-079-135-201000-
/O.NEW.KTSA.FF.W.0039.150520T0450Z-150520T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1150 PM CDT TUE MAY 19 2015
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA...
LE FLORE COUNTY IN SOUTHEAST OKLAHOMA...
SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS...
SOUTHEASTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
SOUTHERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS...
* UNTIL 500 AM CDT
* AT 1148 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA.
AROUND AN INCH OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL
1 TO 2 INCHES POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
CEDARVILLE...FORT SMITH...POTEAU...SALLISAW...VAN BUREN...ALMA...
ARKOMA...BARLING...BENGAL...BLOOMER...BOKOSHE...BONANZA...BRUSHY...
BRUSHY LAKE STATE PARK...BURNVILLE...CAMERON...DYER...EXCELSIOR...
FANSHAWE...FIGURE FIVE...FORT SMITH REGIONAL AIRPORT...GANS...
GREENWOOD...HACKETT...HARTFORD...HEAVENER...HEAVENER RUNESTONE
STATE PARK...HOWE...HUNTINGTON AND JENNY LIND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 3515 9414 3510 9414 3507 9425 3496 9424
3492 9444 3472 9445 3469 9510 3487 9506
3487 9502 3493 9504 3498 9493 3521 9492
3521 9482 3564 9485 3563 9407 3546 9405
3542 9408 3522 9408 3521 9403 3514 9403
$$2 follow-up statements
502
WGUS74 KTSA 200811
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
311 AM CDT WED MAY 20 2015
ARC033-131-OKC077-079-135-201000-
/O.CON.KTSA.FF.W.0039.000000T0000Z-150520T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD AR-SEBASTIAN AR-LE FLORE OK-SEQUOYAH OK-LATIMER OK-
311 AM CDT WED MAY 20 2015
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LATIMER...
EASTERN SEQUOYAH...LE FLORE...SEBASTIAN AND SOUTHERN CRAWFORD
COUNTIES UNTIL 500 AM CDT...
AT 307 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE HEAVIEST RAIN HAS ENDED ACROSS THE WARNED AREA...BUT
ADDITIONAL THUNDERSTORMS PRODUCING MODERATE TO HEAVY RAINFALL WILL
REMAIN POSSIBLE THIS MORNING...ESPECIALLY ACROSS PORTIONS OF CENTRAL
LE FLORE COUNTY. 2 TO 4 INCHES OF RAINFALL HAS ALREADY OCCURRED WITH
AN ADDITIONAL 1 TO 3 INCHES POSSIBLE. EXTENSIVE FLOODING HAS BEEN
REPORTED IN TALIHINA...WITH WATER ENTERING NUMEROUS BUILDINGS AND
ROAD CLOSURES. THE FLOODING IN TALIHINA WILL ONLY WORSEN WITH THE
HEAVIEST RAINS LIKELY TO AFFECT THAT AREA THROUGH 5 AM.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CEDARVILLE...FORT SMITH...POTEAU...SALLISAW...VAN BUREN...ALMA...
ARKOMA...BARLING...BENGAL...BLOOMER...BOKOSHE...BONANZA...BRUSHY...
BRUSHY LAKE STATE PARK...BURNVILLE...CAMERON...DYER...EXCELSIOR...
FANSHAWE...FIGURE FIVE...FORT SMITH REGIONAL AIRPORT...GANS...
GREENWOOD...HACKETT...HARTFORD...HEAVENER...HEAVENER RUNESTONE STATE
PARK...HOWE...HUNTINGTON AND JENNY LIND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
&&
LAT...LON 3515 9414 3510 9414 3507 9425 3496 9424
3492 9444 3472 9445 3469 9510 3487 9506
3487 9502 3493 9504 3498 9493 3521 9492
3521 9482 3564 9485 3563 9407 3546 9405
3542 9408 3522 9408 3521 9403 3514 9403
$$086
WGUS74 KTSA 200904
FFSTSA
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
404 AM CDT WED MAY 20 2015
ARC033-131-OKC077-079-135-201000-
/O.CON.KTSA.FF.W.0039.000000T0000Z-150520T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD AR-SEBASTIAN AR-LE FLORE OK-SEQUOYAH OK-LATIMER OK-
404 AM CDT WED MAY 20 2015
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LATIMER...
EASTERN SEQUOYAH...LE FLORE...SEBASTIAN AND SOUTHERN CRAWFORD
COUNTIES UNTIL 500 AM CDT...
AT 402 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS CENTRAL LE FLORE
COUNTY...WITH LIGHTER RAINS ACROSS THE REST OF THE WARNED AREA. 2 TO
5 OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 3 INCHES
POSSIBLE. THE HEAVIEST RAINS SHOULD REMAIN CONFINED TO PORTIONS OF
LE FLORE AND PERHAPS SOUTHERN SEBASTIAN COUNTIES THROUGH SUNRISE.
EXTENSIVE FLOODING HAS BEEN REPORTED IN TALIHINA...WITH WATER
ENTERING NUMEROUS BUILDINGS AND SEVERAL ROAD CLOSURES. THIS IS A
VERY DANGEROUS SITUATION.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CEDARVILLE...FORT SMITH...POTEAU...SALLISAW...VAN BUREN...ALMA...
ARKOMA...BARLING...BENGAL...BLOOMER...BOKOSHE...BONANZA...BRUSHY...
BRUSHY LAKE STATE PARK...BURNVILLE...CAMERON...DYER...EXCELSIOR...
FANSHAWE...FIGURE FIVE...FORT SMITH REGIONAL AIRPORT...GANS...
GREENWOOD...HACKETT...HARTFORD...HEAVENER...HEAVENER RUNESTONE STATE
PARK...HOWE...HUNTINGTON AND JENNY LIND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
&&
LAT...LON 3515 9414 3510 9414 3507 9425 3496 9424
3492 9444 3472 9445 3469 9510 3487 9506
3487 9502 3493 9504 3498 9493 3521 9492
3521 9482 3564 9485 3563 9407 3546 9405
3542 9408 3522 9408 3521 9403 3514 9403
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 12:27 AM CDT | Special Weather Statement | TSA | Sebastian | 33 min |
| May 20, 2:59 AM CDT | Flash Flood Warning | TSA | Franklin | 4 hr |
| May 20, 4:25 AM CDT | River Flood Warning | TSA | Crawford, Sebastian | 41 hr |
| May 20, 5:01 AM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 4 hr |
| May 20, 6:52 AM CDT | Flash Flood Warning | TSA | Franklin | 2 hr |
| May 20, 8:13 AM CDT | River Flood Warning | TSA | Franklin, Johnson, Logan | 7 days |
| May 20, 8:54 AM CDT | Areal Flood Warning | TSA | Crawford, Franklin, Sebastian | 24 hr |
| May 19, 10:38 PM CDT | Flash Flood Warning | TSA | Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah | 6 hr |
| May 19, 11:23 PM CDT | Special Weather Statement | TSA | Haskell | 37 min |
| May 20, 12:03 AM CDT | Special Weather Statement | TSA | LeFlore | 42 min |
| May 20, 12:23 AM CDT | Flash Flood Warning | TSA | Choctaw, Latimer, LeFlore, Pittsburg, Pushmataha | 6 hr |
| May 20, 1:29 AM CDT | Special Weather Statement | TSA | LeFlore | 31 min |
| May 20, 2:21 AM CDT | River Flood Warning | TSA | Pushmataha | 9 days |
| May 20, 2:27 AM CDT | Special Weather Statement | TSA | Pushmataha | 48 min |
| May 20, 3:36 AM CDT | River Flood Warning | TSA | LeFlore | 39 hr |
| May 20, 3:36 AM CDT | River Flood Warning | TSA | LeFlore | 15 days |
| May 20, 4:26 AM CDT | Areal Flood Warning | TSA | Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah | 12 hr |
| May 20, 6:26 AM CDT | Areal Flood Warning | TSA | Choctaw, Latimer, LeFlore, Pittsburg, Pushmataha | 36 hr |
| May 20, 2:04 PM CDT | River Flood Warning | TSA | Choctaw | 19 days |
Nearby
Flash Flood Warnings in Oklahoma, 2015Flash Flood Warnings in Arkansas, 2015Every flash flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.